Water-wheel type double wave wheel washing machine

The utility model relates to a water wheel type double impeller washing machine. A washing tub is provided with a knee pipe (4), the utility model is provided with double impellers, the big impeller (2) forms a ring shape, the small impeller (7) is arranged in the ring, a shaft of the big impeller is a cavity, a shaft of the small impeller is penetrated in the cavity, and the two shafts are connected by a commutator (6) at the lower end; the impellers have downward back water function, and back water is returned by the knee pipe (4). Water flow is formed in a washing tub under the action of the water flow of an impeller pump and the centrifugal force of the impellers, clothes is moved with the water flow, and the washing purpose can achieved. The two impellers make corresponding motion for washing clothes under the action of the commutator. The utility model has the effects that the clothes are not twined, the clothes are rubbed by double impellers, the rubber number is increased, the utility model can be operated without an intermission, and wattless washing time does not exist.